# Otto Lellep

> American metallurgical engineer and inventor of Estonian origin (1884-1975)

**Wikidata**: [Q55847828](https://www.wikidata.org/wiki/Q55847828)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otto_Lellep)  
**Source**: https://4ort.xyz/entity/otto-lellep


## References

1. [Source](https://www.hc-museum.de/sites/default/files/assets/document/4b/34/a12_2015_lepolofen.pdf)
2. [Source](https://www.nytimes.com/1975/10/20/archives/dr-otto-g-lellep-engineer-inventor.html)
3. Catalog of the German National Library
4. [Source](https://archives.lib.umn.edu/repositories/6/resources/5220)
5. Deutsche Biographie
6. MAK